Rubellatoma rubellaRubellatoma rubella, common name the reddish mangelia, is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.DescriptionThe length of the shell varies between 6 mm and 11 mm.DistributionR. rubella can be found in Atlantic waters, ranging from the coast of North Carolina south to Brazil.; in the Caribbean Sea and the Gulf of Mexico.